What did Kirill discover about radio during his experiment?

• Кирилл обнаружил, что радио — это не только музыка.
• Там были ток-шоу, новостные программы и даже радиодрамы.
• Он представлял персонажей в своей голове.

Ответ: He discovered that radio wasn't just music. There were talk shows, news programs, and even radio dramas. "I imagined the characters in my head," Kirill said. "It was like reading a book, but with voices."